DP Biology (last assessment 2024)
Question 18M.3.HL.TZ2.21a
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.3.HL.TZ2.21a |
| Level | HL | Paper | 3 | Time zone | TZ2 |
| Command term | Deduce | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
18M.3.HL.TZ2.21a
The hematocrit is the volume percentage fraction of erythrocytes in blood.
(a)
From the diagram, deduce the effect of the disease polycythemia on the proportion of erythrocytes in total blood volume.
[1]
Markscheme
the proportion/percentage increases «from 45 % to 70%»
